1.  How are devices represented in UNIX?

2.  What is 'inode'?

3.  Brief about the directory representation in UNIX.

4.  What are the Unix system calls for I/O?

5.  How do you change File Access Permissions?

6.  What are links and symbolic links in UNIX file system?

7.  What is a FIFO?

8.  How do you create special files like named pipes and device files?

9.  Discuss the mount and unmount system calls.

10.  How does the inode map to data block of a file?